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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Convert 0.0001 to standard form.
💡 Hint: Remember to count how many places you move the decimal to the right.
Question 2
Easy
Convert 200000 to standard form.
💡 Hint: Think about the position of the first non-zero digit.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the standard form of 0.0000004?
- 4 × 10^(-7)
- 4 × 10^(-6)
- 4 × 10^(-5)
💡 Hint: Count how many spaces you moved the decimal.
Question 2
True or False: Large numbers are expressed with negative exponents.
- True
- False
💡 Hint: Recall the different forms for large and small numbers.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
If a galaxy is 2.5 × 10^22 m away and a spacecraft is currently 1.5 × 10^11 m from Earth, how far should it go to reach that galaxy?
💡 Hint: Ensure alignment of powers of ten for subtraction.
Question 2
Given the speed of light is 3.0 × 10^8 m/s, how far does light travel in 10 seconds? Provide the answer in standard form.
💡 Hint: Multiply the coefficients and keep the exponent the same.
Challenge and get performance evaluation